Care Glycerin Suppositories Adult size – 12 relieves occasional constipation Care Glycerin Suppositories relieve occasional constipation by helping to stimulate bowel movement. Each suppository contains Glycerol 2.8g. It can be used by adults and the elderly. Should be avoided if possible during pregnancy and breastfeeding. Use only if advised by a doctor. Insert one suppository as required. Suppositories must not be taken by mouth. Wash your hands before and after use. Do not use the medicine if you have an allergy to glycerol or gelatin.